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Optical image forming devices
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Optical image dissecting apparatus
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Antioscillation mounting for optical instruments such as telescopes, cameras, and the like
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Aspheric contouring machine
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Method and apparatus for producing thin wedges
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Method and apparatus for separating materials
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Irradiating method and apparatus
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Electrode
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Method and means for determining optical characteristics of substances
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Method of irradiating liquids
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Electric arc lamp
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